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Ocean Carbon Equilibrium
Most of us have heard of the threats of global climate change, including melting icecaps, rising sea levels, and increases in extreme weather events. As bad as all of these consequences are, there is still another threat that lurks beneath the...Learn More about Gizmos Find More Gizmos
Ocean Carbon Equilibrium
Most of us have heard of the threats of global climate change, including melting icecaps, rising sea levels, and increases in extreme weather events. As bad as all of these consequences are, there is still another threat that lurks beneath the surface: ocean acidification. Increased carbon dioxide levels in the atmosphere lead to greater amounts of dissolved carbon dioxide in the ocean, which decreases the pH of ocean waters. This makes it more difficult for marine creatures to build shells and could impact cold-water coral reefs, shellfish, and many types of plankton.
Students can explore this issue and possible solutions with the Ocean Carbon Equilibrium STEM Case. This case study looks at the erosion of mussel shells due to acidic seawater. After reviewing the chemistry behind this phenomenon, students explore possible solutions to reverse this trend, both on a local and global scale. This STEM Case represents a great application of chemistry equilibrium principles to a pressing real-world problem.
You can learn more about ocean acidification in this short documentary: https://www.youtube.com/watch?v=OVWZyDz--30&t=5s
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"Using Gizmos has had a positive impact on student learning. Gizmos allows them to dig deeper and manipulate variables to lead them to a higher-level depth of knowledge. There were plenty of students who had a ‘light bulb’ moment using a Gizmo!"- Teacher, Racine Unified School District, WI
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"I’m really a strong proponent of Gizmos in science because I have seen firsthand what it does in terms of engaging kids in labs. Gizmos really allow students to go deeper in terms of problem solving and critical thinking."- Assistant Superintendent, Miami-Dade Public Schools, FL
"I see more student engagement with lesson content when students are using Gizmos. Student grades have shown more understanding of the topics."- Teacher, Salinas Unified School District, CA
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